/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/DynamicMeshSculptTool.h
Do hover hit-test
virtual [FInputRayHit](API\Runtime\InteractiveToolsFramework\FInputRayHit) BeginHoverSequenceHitTest ( const [FInputDeviceRay](API\Runtime\InteractiveToolsFramework\FInputDeviceRay) & PressPos )